Retractable Carbide Bit

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Retractable Carbide Bits Used in offices and buildings where duct work is present Diamond bit drills through the concrete, then extended to expose the carbide bit for drilling in t hin duct work Known as a 'walker-duct' bit Retractable Carbide Bit Description Cat # 2-1/4" x 2-1/2" Retractable carbide diamond bit (complete) 01673 Individual Optional Components Description Cat # 2-1/4" carbide hole saw with threaded cap 00032 2-1/2" x 8" HOL threaded bit - specify thread when ordering 05252 Threaded bit adapter 01929 2-1/2" left/right threaded cap 01928 2-3/4" left/right threaded cap 01930 Show more